Describe the endothermic and exothermic reactions in terms
a. Describe the endothermic and exothermic reactions in terms of the sign of ΔH.
b. Discuss how much heat was lost if a 625-ml sample of water was cooled from 50.0 C to 10.0C.
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An object of 3.38 kg is joined to a 2.28 m long string and swung in the vertical circle at a constant speed of 14.6 m/s. Determine the tension force if the object is at the top of the loop?
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Describe the endothermic and exothermic reactions in terms of the sign of ΔH. Discuss how much heat was lost if a 625-ml sample of water was cooled from 50.0 C to 10.0C.
Determine temperature of water after three hours, where t is in minutes, c is temperature surrounding cooling object and a and k are constants.
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